UPPER AIR CALCULATIONS AND PLOTTING (Ver 5.52-LINUX-X11) Current filename: /home/data/upa/2025120800.upa.cvt Date: 0000Z 8 DEC 25 Searching for VG883... Searching the city database file for: VG883 ... Date:0000Z 8 DEC 25 Station: VG883 WMO ident: 41883 Latitude: 24.85 Longitude: 89.37 ------------------------------------------------------------------------------- LEV PRES HGHT TEMP DEWP RH DD WETB DIR SPD THETA THE-V THE-W THE-E W mb m C C % C C deg knt K K K K g/kg ------------------------------------------------------------------------------- SFC 1014 20 15.6 13.1 85 2.5 14.1 0 0 287.6 289.2 286.6 313.8 9.38 1 1000 138 19.2 8.2 49 11.0 12.9 340 17 292.4 293.6 286.0 312.0 6.83 2 925 808 16.2 10.2 68 6.0 12.6 15 9 295.9 297.4 288.9 320.4 8.47 3 850 1521 11.8 -1.2 40 13.0 5.4 5 1 298.5 299.3 285.6 310.8 4.12 4 700 3148 10.4 -20.6 9 31.0 -0.6 270 21 314.0 314.2 287.9 317.6 1.06 5 500 5850 -7.9 -43.9 4 36.0 -14.2 250 30 323.4 323.4 290.0 324.0 0.16 6 400 7540 -19.5 -25.5 59 6.0 -21.0 235 47 329.6 329.9 292.8 333.9 1.20 7 300 9620 -34.3 -39.3 60 5.0 -34.9 250 79 337.0 337.1 294.0 338.7 0.42 8 250 10870 -44.1 -47.4 70 3.3 -44.3 240 87 340.5 340.5 294.6 341.4 0.21 9 200 12330 -54.7 -64.7 28 10.0 -54.9 235 91 346.1 346.2 295.8 346.3 0.03 10 186 12788 -57.5 -67.3 28 9.7 -57.7 230 96 348.8 348.8 296.4 348.9 0.02 11 150 14110 -65.9 -74.9 27 9.0 -66.0 245 83 356.6 356.6 298.0 356.6 0.01 12 100 16520 -77.7 -85.7 26 8.0 -77.7 230 55 377.6 377.6 301.9 377.6 0.00 TRP WND 186 12788 -57.5 -67.3 28 9.7 -57.7 230 96 348.8 348.8 296.4 348.9 0.02 Sounding variables and indices 1000-500 mb thick: 5712.00 m Freezing level: 586.34 mb = 4683.56 m = 15365.83 ft Wetbulb zero: 715.53 mb = 2964.14 m = 9724.75 ft Precipitable water: 0.73 inches Sfc-500 mean rel hum: 24.17 % Est. max temperature: 26.04 C = 78.87 F Sfc-Lift cond lev (LCL): 976.91 mb = 338.75 m = 1111.37 ft T: 18.30 C 700-500 lapse rate: 6.77 C/km ThetaE index: 9.56 C Layer 850.0- 700.0 mb Conv cond level (CCL): 609.57 mb = 4258.81 m = 13972.30 ft Mean mixing ratio: 7.76 g/kg Conv temperature: 46.13 C = 115.03 F Cap Strength: 11.67 C Lifted Index: 10.71 C Risk: None Lifted Index @300 mb: 15.19 C Lifted Index @700 mb: 11.67 C Showalter Index: 13.88 C Risk: None Total Totals Index: 26.40 C Risk: None Vertical Totals Index: 19.70 C Cross Totals Index: 6.70 C K Index: -12.50 Risk: None Sweat Index: 32.00 Risk: None Energy Index: 3.00 Risk: None Parcel Indices Parcel: using 100 mb layer CAPE (B+): 15.24 J/kg Max Up Vert Vel: 5.52 m/s Conv Inhibition (B-): 9987.38 J/kg Cap Strength: 11.57 C Lift Cond Lev (LCL): 854.97 mb = 1471.85 m = 4828.85 ft Lev Free Conv (LFC): -1.00 mb = -9999.00 m = -9999.00 ft Wind level data Storm motion: 298 at 13 knt ---------------------------------------------------------- TRUE/GROUND REL | STORM REL LEV P H DIR SPD U V | DIR SPD U V mb m knt m/s | knt m/s ---------------------------------------------------------- 0 1014 20 0 0 -0.0 -0.0 | 118 13 -11.7 6.3 1 1000 138 340 17 5.8 -16.0 | 31 11 -5.9 -9.7 2 925 808 15 9 -2.3 -8.7 | 80 14 -14.1 -2.4 3 850 1521 5 1 -0.1 -1.0 | 114 13 -11.8 5.3 4 700 3148 270 21 21.0 -0.0 | 236 11 9.3 6.3 5 500 5850 250 30 28.2 10.3 | 225 23 16.5 16.5 6 400 7540 235 47 38.5 27.0 | 219 43 26.8 33.2 7 300 9620 250 79 74.2 27.0 | 242 71 62.5 33.3 8 250 10870 240 87 75.3 43.5 | 232 81 63.6 49.8 9 200 12330 235 91 74.5 52.2 | 227 86 62.8 58.5 10 186 12788 230 96 73.5 61.7 | 222 92 61.8 68.0 11 150 14110 245 83 75.2 35.1 | 237 76 63.5 41.3 12 100 16520 230 55 42.1 35.4 | 216 52 30.4 41.6 Wind Parameters Mean winds (0-6000m): 268.1 at 17.7 knts Storm direction: 298.1 at 13.3 knts Shear (0-3000m) pos: 1.1 neg: 3.8 tot: 4.9 10-3/s Storm rel Dir Shear (0-3000m): 125.6 deg Storm rel helicity (0-3000m) pos: 58.7 neg: -65.4 tot: -6.7 m^2/s^2 ave: -2.2 10^-3 m/s^2 rel: -0.25 Storm rel vorticity (0-3000m) horiz: 10.3 stream: -2.6 10^-3/s Energy-Hel index: 0.01 Bulk Rich Number: 0.29 Bulk Shear: 52.90 m/s Storm Parameters ------------------------------------------------------------------------------- Depth Mean Inflow| Shear | Helicity | Vorticity AGL Dir Spd Dir Spd| Pos Neg Tot| Pos Neg Tot Ave Rel | Hor Strm m knt knt| 10^-3/s | m^2/s^2 m/s^2 | 10^-3/s ------------------------------------------------------------------------------- 500 347 13 53 11| 0.0 12.8 12.8| 16.8 -39.5 -22.7 -45.4 -0.51| 23.1-11.7 1000 354 11 64 12| 3.2 6.4 9.6| 40.1 -39.5 0.7 0.7 -0.17| 15.0 -2.5 1500 357 9 77 12| 2.1 2.4 4.5| 58.7 -39.5 19.3 12.8 0.02| 12.0 0.2 2000 355 8 83 11| 1.6 3.4 5.0| 58.7 -54.1 4.6 2.3 -0.11| 10.6 -1.1 2500 341 8 81 9| 1.3 3.8 5.0| 58.7 -60.1 -1.4 -0.6 -0.18| 10.2 -1.8 3000 315 10 84 5| 1.1 3.8 4.9| 58.7 -65.4 -6.7 -2.2 -0.25| 10.3 -2.6 4000 289 13 184 2| 0.8 3.3 4.0| 58.7 -70.9 -12.2 -3.1 -0.26| 8.6 -2.2 5000 277 15 217 6| 0.6 2.9 3.5| 58.7 -77.0 -18.3 -3.7 -0.26| 7.4 -1.9 6000 268 18 221 9| 0.5 2.7 3.2| 58.7 -85.9 -27.2 -4.5 -0.26| 6.7 -1.7 Wrote GIF file: /home/apache/climate/data/raob//VG883/skewt/VG883.skewt.20251208.00.gif